(3GdOjf hGdTHGH (B/s - (3GdMUjf, CMeO Hf YHO GdYRjR,s 1369 (3gLQjG(B-.s ((3HQjOI, GdSYhOjI (B:s (3ecJHI OGQ GdVjGA ddfTQ hGdJhRjY,s, 1990)
Keywords: (3GdOYhI GdESdGejIs; (3GdESdGe hGdTHGHs